Official League Against Cruel Sports' response to Defra-commissioned report AW1303 on cage-based breeding for pheasants and partridges The title for this project states that its purpose was to:
"provide scientific evidence on whether cage-based breeding for pheasants and partridges can fully meet birds' needs, and if not, to identify best practice for improving the breeding environment for gamebirds."
However, the project as described in the report failed to investigate this question.
Rather than compare the welfare of birds kept in cages to those in free-range systems, as is necessary to answer the question posed in the project title, Defra simply examined the impact of various industry favored "enrichments" on birds confined in cages within a very limited size range that would be "feasible for commercial implementation." Thus commercial interests were put above animal welfare from the start, undermining the very purpose of this half a million pound project.
The failure to conduct a comparative study between the welfare of birds kept in free-range systems and those confined in cages is inadequately mitigated by a desk-based study investigating the ecology and behavior of wild pheasants and partridges in their native home range. These findings are then used to design assorted "enrichments" intended to mimic natural resources or permit natural behaviors. The fundamental flaw with this approach is that birds and people have profoundly different sensory perception.
The human eye can never know whether a piece of Astroturf resembles grass to a bird with much superior vision, nor whether a small piece of doweling could ever fulfill the same behavioral needs as a tree branch. The ability of these artificial substitutes to "fully meet birds' needs" can only be measured in a comparative study including birds with access to the real thing. Added to this shortcoming is that fact that the "enrichments" were not even chosen or designed to best meet the welfare needs of the birds, but rather to "maximize their subsequent ease of use by the industry."
The clear and overwhelming industry bias in the design of this project is wholly unsurprising considering the clear and overwhelming industry bias of the stakeholder group. Only one animal welfare organization was represented, compared to five game industry bodies. We would be interested to hear from Defra as to how this skewed representation was considered appropriate for a project that claimed to be assessing the birds' needs, and why other animal welfare organizations with an established interest in this issue - such as the League and Animal Aid - were excluded from the stakeholder group.
While the prioritizing of industry interests and input virtually guaranteed this project would produce results that suited the industry, there are still many findings that are highly uncomfortable for the industry and which the final report attempts to downplay, including:
1. Birds in cages suffer substantial foot damage.
23 percent of caged partridges and 25 percent of caged pheasants endured painful foot problems such as lesions, swelling and bruising, yet the report considers the welfare impact to be "small" as the majority of birds did not experience these problems. This conclusion conveniently ignores the fact that millions of birds are confined in breeding cages every year, meaning the number of individuals suffering from painful foot damage is likely to be upwards of half a million. This is not a small welfare impact.
2. Confinement causes aggressive behavior.
Feather damage caused by pecking, which the study identifies as the primary cause of early mortality, was recorded in 39 percent of caged partridges and 70 percent of caged pheasants. The staggeringly high figure for pheasants does not take into account that all the birds in this study were bitted - had small plastic devices pushed through their nostrils to help lessen the impact of aggressive pecking - so the injuries caused in these stressful conditions would be even worse if the birds were not deliberately mutilated before caging.
3. Caged birds want to escape.
Observers recorded multiple "jump escapes" in both pheasants and partridges. As the name suggests, this behavior is a futile attempt to fly away which is hindered by the mesh ceiling on the cages. During the very limited observation periods, it was observed 28 times in pheasants confined in floor pens compared to 60 times in caged pheasants; while in partridges it was observed 42 times in enriched cages and 126 times in partridges in barren cages. This is a clear sign that these birds were stressed.
The data that is missing from the report also suggests a deliberate attempt to downplay the negative welfare impacts of caging. No mortality figures are reported for any phase of the project, or the results of the autopsies which the report claims were carried out on all birds found dead. Additionally, no objective measures of stress were employed such as cortisol levels - a standard measure in animal welfare science - only subjective behavioral measures were used.
Even this highly subjective behavioral analysis is undermined by the omission of an ethogram providing definitions of the recorded behaviors - also standard practice in animal behavior research. For example, we would be interested to know why preening was considered an indicator of good welfare when many studies show it is often a coping mechanism animals employ in a stressful situation which they are unable to escape.
In short, we believe the taxpayer has been woefully let down by this project. It simply did not and could not examine whether cages meet the welfare needs of pheasants and partridges used for breeding. It was designed by the game bird industry to provide results which would justify the continued confinement of millions of birds. Although the industry bodies claim that is what the results show, anyone reading beyond the report summary will be struck by the level of suffering observed in both barren and enriched cages.
The League Against Cruel Sports believes that this study confirms what the British Association for Shooting and Conservation stated in December 2010 when urging MPs to sign an Early Day Motion calling for an outright ban on breeding cages:
"The available space in such cages is so limited, that the welfare of the birds is seriously compromised and ... the system does not conform, whether enriched or not, to the five freedoms which are at the basis of the UK's welfare law."
We will continue to expose the suffering of birds confined in these cages and campaign against their use.
Dr Toni Shephard, Head of Policy and Research